Assembled in China' but has no serial number, you might be eligible for a replacement USB-C charge cable.
The cable's serial number is printed on its external housing, next to the words 'Designed by Apple in California. You can verify that you're using the correct version of the Apple USB-C Charge Cable with your Mac notebook and its USB-C AC Adapter. USB-C cables rated for 29W or 30W will work with any USB-C power adapter, but won't provide enough power when connected to a power adapter that is more than 61W, such as the 96W USB-C Power Adapter. If you use a higher wattage USB-C cable, your Mac will still charge normally.
User rating, 4.7 out of 5 stars with 894 reviews. For the best charging experience, you should use the USB-C charge cable that comes with your Mac notebook. Apple - 60W MagSafe 2 Power Adapter (MacBook Pro with 13-inch Retina Display) - White.
